Finding the Third Proportional to 9,846,968 and 20,689,168

Step by Step Solution

1. Step 1: Write the proportion equation
   9,846,968 : 20,689,168 = 20,689,168 : x
2. Step 2: Convert to fraction form
   9,846,968/20,689,168 = 20,689,168/x
3. Step 3: Cross multiply
   9,846,968x = 20,689,168 × 20,689,168
4. Step 4: Simplify right side
   9,846,968x = 428,041,672,532,224
5. Step 5: Solve for x
   x = 428,041,672,532,224/9,846,968
6. Step 6: Final answer
   x = 43,469,387.99